Oops, it doesn't look like 'strike may day' is a national day..

Other days

aloxolt

Aloxolt Day
self care

Self Care Day
prosecco

Prosecco Day
bubble bath

Bubble Bath Day
pick me

Pick Me Day
slime

Slime Day
kale

Kale Day
offer

Offer Day
cat girl

Cat Girl Day
believe

Believe Day